BD Diesel Flow-MaX Add-On Pre Water Separator Filter Kit (1050340-WSP) for 2001-2004 Duramax LB7 / 1998 Cummins 5.9L

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The BD Diesel Flow-MaX Add-On Pre Water Separator Filter Kit (1050340-WSP) is a filtration upgrade for 2001–2004 GM Duramax LB7 and 1998 Dodge Cummins 5.9L diesel engines. It adds a pre-filter water separator to remove contaminants and water before reaching the factory fuel filter, enhancing fuel system protection and engine reliability. Designed for performance and harsh conditions, it includes all installation hardware and features durable construction with advanced filtration technology.

Total: $93.95
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Description

The BD Diesel Flow-MaX Add-On Pre Water Separator Filter Kit (1050340-WSP) is a high-performance filtration upgrade designed specifically for 2001-2004 GM Duramax LB7 and 1998 Dodge Cummins 5.9L diesel engines. This kit enhances fuel system protection by adding a pre-filter water separator that removes contaminants and water before they reach the factory fuel filter, prolonging fuel system component life and improving engine reliability. Ideal for performance enthusiasts and those operating in harsh conditions, the Flow-MaX kit includes all necessary hardware and brackets for a straightforward installation. Its durable construction and advanced filtration technology make it a trusted choice for diesel owners seeking to safeguard their investments and maintain optimal engine performance.

Additional information
Weight 4.1 lbs
Dimensions 8 × 8 × 6 in
Fitment

Fitment

 2001-2004 Duramax LB7

1998 Cummins 5.9L

Features

Features

  • 20 micron water separator
  • Filter Modular Design
  • Add-on High Efficiency Filter and/or Water Separator
  • Easy to find Non-Proprietary Filter Cartridges
Installation

Installation

INSTALL TIME

  • 1 Hour

WARRANTY

Parts

  • 60-Months
  • 75,000 Miles

Note

  • Filter cartridges and elements are consumable product – warranty covers workmanship only
About brand
BD Diesel Performance is a diesel performance manufacturer focused on reliability and towing performance. The company designs parts that improve durability, power delivery, and vehicle control. BD Diesel products support daily driving, heavy towing, and work-ready diesel trucks. BD Diesel engineers turbochargers, exhaust brakes, transmission upgrades, and fuel system components. Their products help manage heat, control exhaust flow, and protect drivetrain parts. These upgrades improve drivability under load and during long pulls. Diesel owners trust BD Diesel for proven solutions. Whether upgrading a tow rig or improving reliability, BD Diesel delivers parts built for real-world use.
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